997962 has 16 divisors (see below), whose sum is σ = 2281152. Its totient is φ = 285120.

The previous prime is 997961. The next prime is 997963. The reversal of 997962 is 269799.

It is an interprime number because it is at equal distance from previous prime (997961) and next prime (997963).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 23761 = 997962 / (9 + 9 + 7 + 9 + 6 + 2).

It is not an unprimeable number, because it can be changed into a prime (997961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11839 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (142572).

2⁹⁹⁷⁹⁶² is an apocalyptic number.

997962 is an abundant number, since it is smaller than the sum of its proper divisors (1283190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997962 is a wasteful number, since it uses less digits than its factorization.

997962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773.

The product of its digits is 61236, while the sum is 42.

The square root of 997962 is about 998.9804802898. The cubic root of 997962 is about 99.9320204650.

The spelling of 997962 in words is "nine hundred ninety-seven thousand, nine hundred sixty-two".